Martian water vs. the volcanoes
Wednesday, July 27, 2011 - 11:02
in Astronomy & Space
For decades NASA has been "following the water" on Mars with hopes of finding signs of alien life there; or at least signs that future colonists won't die of thirst. Now a Texas geologist has dared to revive an old, almost heretical idea -- backed up with all the latest data -- that the Red Planet has been bone dry for billions of years.